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Directions of centripetal acceration and gravity on Earth?

  1. Jan 25, 2016 #1
    1. The problem statement, all variables and given/known data
    Are the accelerations due to gravity and the centripetal force at the equator of the earth in the same direction?
    Im picturing a stationary object at the equator of the earth, going around in uniform circular motion due to the earths rotation. The centripetal acceleration would point directly inwards into the earth at all points in the circular rotation, and gravity would also point in the same direction.

    This is how I am visualizing it. I have read that the accelerations oppose each other, but I cannot picture why.

    2. Relevant equations

    3. The attempt at a solution
    This part of a physics problem that has already been solved, I'm just trying to understand it better.
  2. jcsd
  3. Jan 25, 2016 #2

    Suraj M

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    Gold Member

    Where do you think this centripetal force is actually coming from?( due to what?)
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